Profile: Firestone Sheet Metal, Inc. is a mechanical contracting company as well as a custom sheet metal fabrication shop. Our custom sheet metal fabrication shop specializes in complete design, fabrication, machining and assembly of machinery & equipment. We also fabricate steel mill air handling equipment up to 200,000 CFM. We specialize in prototypes, forming, welding, shearing, CNC bending, CNC turret punching, CNC laser cutting and CNC plasma cutting. Our materials include stainless steel, galvanized steel, aluminized steel and aluminum.